(19)
(11) EP 3 490 968 A1

(12)

(43) Date of publication:
05.06.2019 Bulletin 2019/23

(21) Application number: 17754218.0

(22) Date of filing: 27.07.2017
(51) International Patent Classification (IPC): 
C07C 51/377(2006.01)
B01J 31/02(2006.01)
B01J 27/125(2006.01)
B01J 27/16(2006.01)
 C07C 57/04(2006.01)
B01J 27/122(2006.01)
B01J 27/138(2006.01)
B01J 31/26(2006.01)
(86) International application number:
PCT/US2017/044073
(87) International publication number:
WO 2018/022826 (01.02.2018 Gazette 2018/05)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 29.07.2016 US 201662368213 P
08.09.2016 US 201662384773 P
29.11.2016 US 201662427298 P
26.04.2017 US 201762490079 P
20.06.2017 US 201762522190 P

(71) Applicant: The Procter & Gamble Company
Cincinnati, OH 45202 (US)

(72) Inventors:
  • ALBERT, Jakob
    91052 Erlangen (DE)
  • WASSERSCHEID, Peter
    91052 Erlangen (DE)
  • TACCARDI, Nicola
    91052 Erlangen (DE)
  • NAGENGAST, Jens
    91052 Erlangen (DE)
  • KEHRER, Matthias
    91052 Erlangen (DE)
  • KADAR, Julian
    91052 Erlangen (DE)
  • COLLIAS, Dimitris, Ioannis
    Cincinnati Ohio 45202 (US)

(74) Representative: Kremer, Véronique Marie Joséphine 
Procter & Gamble Service GmbH IP Department Sulzbacher Straße 40-50
65824 Schwalbach am Taunus
65824 Schwalbach am Taunus (DE)

   


(54) METHODS OF MAKING ACRYLIC ACID FROM LACTIC ACID OR ITS DERIVATIVES IN LIQUID PHASE